Freeze One Function's I/O Table, Then Change One Branch
This story is from 2026-09-07. It is preserved in the archive; the latest stories are on the live feed.
Freeze one function before you rewrite a messy module. Hidden branches are where refactors silently break callers. An I/O decision table is the oracle for that function. A green unit suite is not local enough. Unit suites drift and skip rare error paths. A finite JSONL table does not drift that way…
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- 2026-09-07 02:59 · DEV Community — AI
Freeze One Function's I/O Table, Then Change One Branch